Comparison studies of Adsorption Properties on Methyl Orange Removal by Wheat straw Adsorbents
Publish place: کنفرانس بین المللی پژوهش در علوم و مهندسی
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICRSIE01_155
تاریخ نمایه سازی: 25 آذر 1395
Abstract:
The use of aminopropyltriethoxysilane (APTES) modified wheat straw (WS) and NaOH-modified wheat straw (NMWS) for the removal of methyl orange (MO) from aqueous solutions was studied in details. The equilibrium data were analyzed by Langmuir, Freundlich, Temkin, Sips and Redlich-Peterson isotherm models and pseudo-first order and pseudo-second order kinetic models. The experimental results demonstrated that MO can be effectively removed from aqueous solution by both the adsorbent and the adsorption capacity of the APTES-NMWS was found to be higher than the APTES-WS. Various thermodynamic parameters, such asG°,H°,S° and Ea, have been calculated. The findings of this investigation suggested that physical sorption plays a role in controlling the sorption rate
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Authors
Hooshyar Moghim Aliabadi
MESc, Fouman Faculty of Engineering, College of Engineering, University of Tehran,
Elham Saberikhah
MSc, Fouman Faculty of Engineering, College of Engineering, University of Tehran,
Azadeh Ebrahimian Pirbazari
Assistant Professor, Fouman Faculty of Engineering, College of Engineering, University of Tehran,
Reza Khakpour
MESc student, Caspian Faculty of Engineering, College of Engineering, University of Tehran
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